Digital SAT Math Practice Question #1633
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No solution = same slope: k/4 = (-9)/(-6) = 1.5 -> k = 6.
A linear system has no solution when the lines are parallel (slopes are equal) with different y-intercepts. The ratio of coefficients of x and y must match: \(\frac{k}{4} = \frac{-9}{-6} = \frac{3}{2}\). Therefore, \(k = 4 \times \frac{3}{2...
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